The Ultra Fire ULT31402 Athlon XP CPU Cooler is more than just a pretty face! Yes, its a great looking cooler which will make a striking addition to any PC. But the Ultra Fires real claim to fame is the remarkably efficient way its thermal resistant copper base allows it to absorb and dissipate heat in precisely the most efficient proportion. The Ultra Fire ULT31402 allows your system to run smoothly, efficiently and effectively, without the threat of heat degradation. Featuring a state-of-the-cooling-industry heat sink with mirror polish, high-density fin design for superior performance, high air flow and low noise ball-bearing fan, and a super-productive Shin Etsu thermal interface. The Ultra Fire ULT31402 Athlon XP CPU Cooler is easy to install. And you dont need any tools!